using UnityEngine;
  using System.Collections;
  
  public class DeleteTrigger : MonoBehaviour {
  
          void OnTriggerEnter (Collider other) {
  
          if (other == null || other.transform == null)
              return;
          Transform trans = other.transform;
          if (trans.parent != null) trans = trans.parent;
  
          Destroy(trans.gameObject);
          }
  }